/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.flink.runtime.blocklist;

import java.util.Collection;

/** This class is responsible for blocking and unblocking resources. */
public interface BlocklistContext {

    /**
     * Block resources on the nodes.
     *
     * @param blockedNodes the nodes to block resources
     */
    void blockResources(Collection<BlockedNode> blockedNodes);

    /**
     * Unblock resources on the nodes.
     *
     * @param unblockedNodes the nodes to unblock resources
     */
    void unblockResources(Collection<BlockedNode> unblockedNodes);
}
